.Net Phaxio - Send Fax w /HttpClient

gistfile1.cs

var fax = new Dictionary<string, string>
                {
                    {"to", 8885551212},
                    {"string_data", "<div>This is your fax in html, will fax just like it renders in webkit, cool huh?</div>")},
                    {"string_data_type", "html"},
                    {"api_key", apiKey},
                    {"api_secret", apiSecret},
                    {"callback_url", "http://yourwebsite.com/fax/receipt"}
                };

var content = new FormUrlEncodedContent(fax);
var client = new HttpClient();

client.PostAsync(uri, content).ContinueWith(
    (requestTask) =>
        {
            var response = requestTask.Result;
            response.EnsureSuccessStatusCode();
            response.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            response.Content.ReadAsAsync<JsonObject>().ContinueWith(
                (readTask) =>
                    {
                        var json = readTask.Result;                        
                        var notification = new
                        {
                            success = json.GetValue("success"),
                            faxId = json.GetValue("faxId"),
                            message= json.GetValue("message")
                        };                       
                    });
        });